SIZE AND FORM PERCEPTION 



87 



discrimination. The variable was continually increased by 5 

 mm. (diameter) until the condition o 28+ — o 19+ was reached 



TABLE 2 

 Subject: 3. Hatched: 10/3?/'ll. Sex: Undetermined 



* Numbers in parentheses refer to series on record sheet, 

 t Average time for series given in seconds. 



